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  Arduino Release v3.3.0-RC1 based on ESP-IDF v5.5.0-C1 Stable

  petr.gadorek released this 2025-07-16 16:55:53 +00:00 | 1107 commits to master since this release

  What's Changed

  System PR

  • IDF master by @me-no-dev in https://github.com/espressif/arduino-esp32/pull/11150
  • fix(esp32c5): Add proper RTC clock source to uartSetClockSource by @Jason2866 in https://github.com/espressif/arduino-esp32/pull/11255
  • IDF master by @me-no-dev in https://github.com/espressif/arduino-esp32/pull/11204
  • IDF master by @me-no-dev in https://github.com/espressif/arduino-esp32/pull/11289
  • IDF master by @me-no-dev in https://github.com/espressif/arduino-esp32/pull/11342
  • Update version for wifi remote by @Jason2866 in https://github.com/espressif/arduino-esp32/pull/11344
  • IDF master by @me-no-dev in https://github.com/espressif/arduino-esp32/pull/11358
  • IDF release/v5.5 by @me-no-dev in https://github.com/espressif/arduino-esp32/pull/11369
  • IDF release/v5.5 by @me-no-dev in https://github.com/espressif/arduino-esp32/pull/11504
  • IDF release/v5.5 by @me-no-dev in https://github.com/espressif/arduino-esp32/pull/11543
  • IDF release/v5.5 by @me-no-dev in https://github.com/espressif/arduino-esp32/pull/11601
    ##Chip Support

  Peripherals

  GPIO

  • feat(gpio): new functional interrupt lambda example by @SuGlider in https://github.com/espressif/arduino-esp32/pull/11589

  PSRAM

  • fix(board): Update PSRAM configuration for RAK3112 to fix PSRAM error by @DanielCao0 in https://github.com/espressif/arduino-esp32/pull/11552

  Libraries

  Bluetooth & BLE

  • feat(NimBLE): Add support for NimBLE by @lucasssvaz in https://github.com/espressif/arduino-esp32/pull/11424

  Matter

  • feat(matter): enables BLE Matter commissioning with NimBLE by @SuGlider in https://github.com/espressif/arduino-esp32/pull/11537
  • feat(matter): new matter example by @SuGlider in https://github.com/espressif/arduino-esp32/pull/11561
  • feat(matter): removing wifi requirement for H2 and C5 by @SuGlider in https://github.com/espressif/arduino-esp32/pull/11581

  Network

  • fix(async): Update IP setup in AsyncUDP by @me-no-dev in https://github.com/espressif/arduino-esp32/pull/11569

  OpenThread

  • feat(openthread): native API extension by @SuGlider in https://github.com/espressif/arduino-esp32/pull/11598

  Wire

  • Add access methods to get the Wire bus number and I2C bus handle by @me-no-dev in https://github.com/espressif/arduino-esp32/pull/11570
  • feat(wire): std::functional Wire slave callback functions by @SuGlider in https://github.com/espressif/arduino-esp32/pull/11582

  Zigbee

  • feat(zigbee): Update to esp-zigbee-sdk 1.6.5 and fix ci.json files by @P-R-O-C-H-Y in https://github.com/espressif/arduino-esp32/pull/11436
  • feat(zigbee): Add Fan Control endpoint support by @P-R-O-C-H-Y in https://github.com/espressif/arduino-esp32/pull/11559

  Boards Additions & Updates

  • Add Deneyap Kart v2 by @DogushC in https://github.com/espressif/arduino-esp32/pull/11545
  • pioarduino only: fix deprecated warnings caused from esptool v5.0.0 by @Jason2866 in https://github.com/espressif/arduino-esp32/pull/11556

  CI & testing

  • fix(dangerjs): Disable target branch rule by @lucasssvaz in https://github.com/espressif/arduino-esp32/pull/11565
  • fix(merge): Fix merging CN Json by @lucasssvaz in https://github.com/espressif/arduino-esp32/pull/11574
  • ci(gitlab): Initial GitLab setup by @lucasssvaz in https://github.com/espressif/arduino-esp32/pull/11577

  Documentation

  • feat(docs_version): Update docs in update-version script by @lucasssvaz in https://github.com/espressif/arduino-esp32/pull/11564

  Tooling

  • feat(esptool): Upgrade to esptool v5 by @lucasssvaz in https://github.com/espressif/arduino-esp32/pull/11433
  • change(esptool): Upgrade esptool to release v5.0.0 (3.2.x) by @lucasssvaz in https://github.com/espressif/arduino-esp32/pull/11562
  • change(esptool): Upgrade esptool to release v5.0.0 (3.3.x) by @lucasssvaz in https://github.com/espressif/arduino-esp32/pull/11563

  Others

  Full Changelog: https://github.com/espressif/arduino-esp32/compare/3.2.1...3.3.0-RC1

  Downloads

  • esp32-3.3.0-RC1.zip
    0 downloads · 2026-07-17 18:46:30 +00:00 · 25 MiB
  • package_esp32_dev_index.json
    0 downloads · 2026-07-17 18:46:32 +00:00 · 392 KiB
  • package_esp32_dev_index_cn.json
    0 downloads · 2026-07-17 18:46:34 +00:00 · 405 KiB